Clevo NB55TK1 User Manual page 208

Troubleshooting
• Don't over complicate things. The less you have to deal with then the easier the source of the problem may
be found; Example - if your computer has many devices plugged into its ports, and a number of programs
running, then it will be difficult to determine the cause of a problem. Try disconnecting all of the devices and
restarting the computer with all the peripheral devices unplugged. A process of elimination (adding and
removing devices and restarting where necessary) will often find the source of a problem, although this may
be time consuming.
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7 - 6 Upgrading and Adding New Hardware/Software